Liabilities / Assets
23rd percentile
Higher debt load relative to assets than 23% of similar nonprofits.
EIN 45-3204617 • 501(c)3 • Washington, DC
Profile
Organization engages in education and advocacy regarding anti-semitism in higher education.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
23rd percentile
Higher debt load relative to assets than 23% of similar nonprofits.
Liabilities / Revenue
14th percentile
Higher debt load relative to revenue than 14% of similar nonprofits.
Net Margin
94th percentile
Higher net margin than 94% of similar nonprofits.
Top Officer Pay
73rd percentile
Higher top officer pay than 73% of similar nonprofits.
Top officer pay equals 1.5% of source-year revenue.
Asset Growth
99th percentile
Faster asset growth than 99% of similar nonprofits.
Revenue Growth
97th percentile
Faster revenue growth than 97% of similar nonprofits.
Assets
Up$15,956,720
Up $13,056,458 (+450%) from 2023
Liabilities
Up$399,650
Up $165,978 (+71%) from 2023
Net Assets
Up$15,557,070
Up $12,890,480 (+483%) from 2023
Revenue
Up$18,742,208
Up $14,786,201 (+374%) from 2023
Expenses
Up$5,851,728
Up $2,702,907 (+86%) from 2023
Net Income
Up$12,890,480
Up $12,083,294 (+1497%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Organization engages in education and advocacy regarding anti-semitism in higher education.
LDB engages in research, education, public interest legal advocacy regarding anti-Semitism on college and university campuses, in the workplace, and elsewhere.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $1,973,197 | $13,361,451 | ▲ $11,388,254 |
| Pledges and Grants Receivable | $770,000 | $1,829,016 | ▲ $1,059,016 |
| Cash and Non-Interest-Bearing Accounts | $95,637 | $652,984 | ▲ $557,347 |
| Prepaid Expenses and Deferred Charges | $14,240 | $63,625 | ▲ $49,385 |
| Intangible Assets | $31,217 | $26,920 | ▼ $4,297 |
| Accounts Receivable | $14,566 | $21,330 | ▲ $6,764 |
| Receivables From Officers Etc | $1,405 | $1,394 | ▼ $11 |
| Total Assets | $2,900,262 | $15,956,720 | ▲ $13,056,458 |
| Other Assets Total | $0 | - | - |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $233,672 | $399,650 | ▲ $165,978 |
| Total Liabilities | $233,672 | $399,650 | ▲ $165,978 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $1,892,960 | $14,229,335 | ▲ $12,336,375 |
| Net Assets With Donor Restrictions | $773,630 | $1,327,735 | ▲ $554,105 |
| Total Net Assets Fund Balance | $2,666,590 | $15,557,070 | ▲ $12,890,480 |
| Total Liabilities and Net Assets / Fund Balance | $2,900,262 | $15,956,720 | ▲ $13,056,458 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Alyza Lewin | President | FT | $241,975 | $31,341 | $273,316 |
| Kenneth Marcus | Founder & Chairman | FT | $230,016 | $38,589 | $268,605 |
| Rachel LLerman | Vice Chair | FT | $213,284 | $35,881 | $249,165 |
| Denise Katz-Prober | Director of Legal Iniative | FT | $175,013 | $25,151 | $200,164 |
| Lynda Prior | Executive Administrator | FT | $130,263 | $12,542 | $142,805 |
| Scott Piro | Communications Director | FT | $122,945 | $10,751 | $133,696 |
| Arthur Traldi | Senior Staff Attorney | FT | $124,084 | $6,193 | $130,277 |
| Ben Alkon | Staff Attorney | FT | $118,351 | $4,900 | $123,251 |
| Name | Title |
|---|---|
| Joshua Swidler | Director |
| Mitchell Webber | Director |
| Richard Cravatts | Director |
| Tevi Troy | Director |
| Judd Serotta | Secretary |
| Adam Feuerstein | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Ellis George Cipollone | Legal Contract Services | 2121 Avenue of the Stars, Los Angeles, CA 90067 | $307,253 |
| Arnold & Porter LLP | Legal Contract Services | PO Box 759451, Baltimore, MD 21275 | $182,793 |
| Empire Configuration | PR / Media Consultant | 4521 Windsor Lane, Bethesda, MD 20814 | $164,885 |
| Potomac Law Group | Development Consultants | PO Box 10681, Albany, NY 12201 | $152,113 |
| - | Legal Contract Services | 1717 Pennsylvania Ave, Washington, DC 20006 | $104,986 |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $3,289,122 |
| Other Expenses | $2,410,493 |
| Total Fundraising Expense | $581,229 |
| Professional Fundraising Fees | $152,113 |
| Grants and Similar Amounts Paid | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $1,415,009 | $329,453 | $150,173 | $1,894,635 |
| Current Officers, Directors, Trustees, and Key Employees | $828,057 | $192,794 | $87,877 | $1,108,728 |
| Fees for Services Other | $438,138 | $66,050 | $109,877 | $614,065 |
| Fees for Services Legal | $447,907 | - | - | $447,907 |
| Payroll Taxes | $161,384 | $37,575 | $17,126 | $216,085 |
| Fees for Services Professional Fundraising | - | - | $152,113 | $152,113 |
| Occupancy | $76,235 | $17,860 | $8,204 | $102,299 |
| Travel | $81,067 | $4,567 | $14,939 | $100,573 |
| Information Technology | $42,034 | $13,124 | $24,831 | $79,989 |
| Fees for Services Accounting | - | $64,973 | - | $64,973 |
| Other Employee Benefits | $40,832 | $9,507 | $4,333 | $54,672 |
| Office Expenses | $38,038 | $3,974 | $6,523 | $48,535 |
| Pension Plan Contributions | $11,204 | $2,609 | $1,189 | $15,002 |
| Insurance | $8,668 | $2,493 | $722 | $11,883 |
| Conferences and Meetings | $9,395 | $516 | $1,665 | $11,576 |
| Advertising | $1,717 | $536 | $1,015 | $3,268 |
| Other Expenses | $1,806 | $1,615 | $150 | $1,615 |
| Total Functional Expenses | $4,504,474 | $766,025 | $581,229 | $5,851,728 |
| Line Item | Amount |
|---|---|
| Total Expenses per Audited Statements | $5,963,808 |
| Expenses per Audited Statements | $5,851,728 |
| Total Expenses per Form 990 | $5,851,728 |
| Expenses Not Reported on Form 990 | $112,080 |
| Expenses Not Reported on Financial Statements | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $152,113 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Officers, Directors, Trustees, and Key Employees | $1,405 | $1,394 | ▼ $11 |
“Copy of 990 provided to officers before filing for review.”
“Conflict of interest policy and any BOD member disclosures are available upon written request. The Center asks incoming BOD members to disclose any possible conflicts of interest and to update their profiles as needed.”
“Range of appropriate compensation of any other officers, where applicable, is determined by a review of similar organizations, approved by BOD, and is set according to budget limitations.”
“Upon written request.”
“Other consulting fees: Program service expenses 438,138. Management and general expenses 66,050. Fundraising expenses 109,877. Total expenses 614,065.”
“Management has evaluated the Center's tax positions and concluded that there are no uncertain tax positions that qualify for either recognition or disclosure in the accompanying financial statements.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 233672 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 399650 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 14566 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 21330 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | LDB engages in research, education, public interest legal advocacy regarding anti-Semitism on college and university campuses, in the workplace, and elsewhere. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 1015 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 536 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 1717 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 3268 |
| IRS990/AllOtherContributionsAmt | 0 | 18103391 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Sharon Samuels |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3015935841 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 11723 Stonington Pl |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Silver Spring |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20902 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 95637 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 652984 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 5 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 87877 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 192794 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 828057 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 1108728 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 1665 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 516 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 9395 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 11576 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 307253 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 182793 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 164885 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 152113 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 104986 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 2121 Avenue of the Stars |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO Box 759451 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 4521 Windsor Lane |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | PO Box 10681 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 1717 Pennsylvania Ave |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Los Angeles |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Baltimore |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | Bethesda |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | Albany |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | Washington |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 90067 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 21275 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 20814 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 12201 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 20006 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | Ellis George Cipollone |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | Arnold & Porter LLP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | Empire Configuration |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | Potomac Law Group |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | Nicole Rosen |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Legal Contract Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Legal Contract Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | PR / Media Consultant |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | Development Consultants |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | Legal Contract Services |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 18103391 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 348813 |
| IRS990/CYOtherExpensesAmt | 0 | 2410493 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 290004 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 12890480 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 3289122 |
| IRS990/CYTotalExpensesAmt | 0 | 5851728 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 581229 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 152113 |
| IRS990/CYTotalRevenueAmt | 0 | 18742208 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | LDB uses strategic legal advocacy and legal tools to pursue legal justice in the fight against antisemitism. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 773630 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1327735 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 29 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 3160998 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 64973 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 64973 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 447907 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 447907 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 109877 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 66050 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 438138 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 614065 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 152113 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 152113 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 14892 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 7644 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 14554 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 6194 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 6193 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 12542 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 10751 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 4900 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Kenneth Marcus |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Alyza Lewin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Rachel LLerman |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Adam Feuerstein |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Judd Serotta |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Joshua Swidler |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Mitchell Webber |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Richard Cravatts |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Tevi Troy |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Denise Katz-Prober |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Arthur Traldi |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Lynda Prior |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Scott Piro |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Ben Alkon |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 253713 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 265672 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 234611 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 193970 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 124084 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 130263 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 122945 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 118351 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Founder & Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Vice Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Director of Legal Iniative |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Senior Staff Attorney |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Executive Administrator |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Communications Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Staff Attorney |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2011 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 18742208 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 6 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 8 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 24831 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 13124 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 42034 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 79989 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 722 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2493 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 8668 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 11883 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 31217 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 26920 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 348813 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 348813 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 23 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | VA |
| IRS990/LoanOutstandingInd | 0 | 1 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 1 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | LDB engages in research, education, public interest legal advocacy regarding anti-Semitism on college and university campuses, in the workplace, and elsewhere. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
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| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 15557070 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1892960 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 14229335 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
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| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 17860 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 76235 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 102299 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 6523 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 3974 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 38038 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 48535 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
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| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 9507 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 40832 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 54672 |
| IRS990/OtherExpensesGrp/Desc | 0 | Litigation Expenses |
| IRS990/OtherExpensesGrp/Desc | 1 | Memberships |
| IRS990/OtherExpensesGrp/Desc | 2 | Other Expenses |
| IRS990/OtherExpensesGrp/Desc | 3 | Business Expenses |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 490 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 2 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 150 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 17802 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 58 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 519 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 1615 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 900060 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 2923 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 1806 |
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| IRS990/OtherExpensesGrp/TotalAmt | 1 | 2983 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 2475 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 1615 |
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| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 1415009 |
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| IRS990/PartialLiquidationInd | 0 | 0 |
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| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 37575 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 161384 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 216085 |
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| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 2609 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 11204 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 15002 |
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| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 1829016 |
| IRS990/PoliciesReferenceChaptersInd | 0 | 1 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
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| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 63625 |
| IRS990/PrincipalOfficerNm | 0 | Kenneth L Marcus |
| IRS990/ProfessionalFundraisingInd | 0 | 1 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Training Seminars |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | Other Program Fees |
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| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 13004 |
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| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 13004 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | LDB is involved in academic research, publishing, and sharing findings with other organizations and in the public sphere. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 938348 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 12698 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | LDB maintains programming for college law students and hosts The JIGSAW (Justice Initiative Guiding Student Activists Worldwide) Fellowship Program to train a select group of law students on campus to assist students to combat antisemitism and other activities related to the center. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 405128 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 306 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 3908965 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 9941 |
| IRS990/PYOtherExpensesAmt | 0 | 1078842 |
| IRS990/PYOtherRevenueAmt | 0 | 103 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 36998 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 807186 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1929116 |
| IRS990/PYTotalExpensesAmt | 0 | 3148821 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 140863 |
| IRS990/PYTotalRevenueAmt | 0 | 3956007 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 1405 |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 1394 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 12890480 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 277000 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 1973197 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 13361451 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | Other revenue - 2019 Amount: $ 420. 2020 Amount: $ 887. 2022 Amount: $ 103. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | Schedule A, Part II, Line 10, Explanation of Other Income: |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 18103391 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3908965 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 2875709 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1796569 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1182143 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 27866777 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 348813 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 9941 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 594 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 344 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 210 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 359902 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 728993 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 103 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 887 |
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